The GARDENA Holiday Watering Set automatically waters up to 36 indoor plants for one minute per day according to different needs, does not require a tap and only needs a power source, making it ideal for holidays or busy periods. The set is ready for use and includes a 10.5-liter water reservoir made from 80% recycled material, which can be expanded by connecting additional reservoirs, providing smart, sustainable, and easy water supply for your home.